Accreditations

AASHTO Resource /AAP Accredited by the American Association of State Highway and Transportation Officials Accreditation Program in: Aggregates, Concrete & Soil

  • Quality Systems: R18, C1077 (Aggregate), C1077 (Concrete), D3740 (Soil)
  • Aggregate: T11, T21, T27, T84, T85, T248, T255, C40, C117, C127, C128, C136, C566, C702
  • Portland Cement Concrete: M201, R39, R60, T22, T23 (Cylinders), T24, T119, T121, T148, T152, T231 (7000 psi and below), T309, C31 (Cylinders), C39, C42, C138, C143, C172, C174, C192, C231, C511, C617 (7000 psi and below), C1064, C1231 (7000 psi and below)
  • Soil: T89, T90, T99, T180, T265, D2487, D1557, D698, D2216, D4318

CCRL Inspected Laboratory & Reference Sample Programs of the Cement and Concrete Reference Laboratory of the National Institute of Standards and Technology
AASHTO Participation in the American Association of State Highway and Transportation Officials Reference Sample Program for soils as well as coarse and fine aggregates
USACE, Department of the Army, U.S. Army Corps of Engineers, Concrete and Materials Branch, Validated as stated above for AASHTO Resource /AAP: Aggregates, Concrete & Soil
ODOT Laboratory, Oklahoma Department of Transportation, ODOT, Qualified as stated above for AASHTO Resource /AAP: Aggregates, Concrete & Soil

Professional Memberships and Affiliations

Oklahoma Ready Mix Concrete Association
American Concrete Institute
Associated General Contractors
Associated Builders and Contractors
Better Business Bureau